Insider vs Sirdata
Head-to-head usage across the sites we track.
Top sites by authority
Insider · Sirdata · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
10
3
Open Page Rank 8+
50
24
Open Page Rank 7+
135
81
Open Page Rank 6+
250
157
Open Page Rank 5+
443
332
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Insider · Sirdata · share of sites in each country using one or the other
France
802
4,223
Indonesia
3,338
159
United States
1,478
844
Spain
707
946
Germany
951
699
United Kingdom
947
636
Belgium
440
1,138
Canada
754
655
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Insider | Sirdata |
|---|---|---|
| LCP | 2.5 s | 1.8 s |
| INP | 200 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.